CN215586546U - Electrical engineering and laboratory bench for automation - Google Patents

Abstract

The utility model provides an electrical engineering and automation experiment table, which comprises a support, wherein a cabinet body is installed at the upper end of the support, a placing plate is arranged in the cabinet body, teaching equipment is installed on the upper end face of the placing plate, an opening for the teaching equipment to pass through is formed in the top of the cabinet body, a sealing plate is hinged to the opening, a height adjusting device is connected to the placing plate and comprises a driving piece, a rotating shaft and a pulling rope, longitudinally extending partition cavities are formed in the inner walls of the left side and the right side of the cabinet body, the output end of the driving piece is in transmission connection with the rotating shaft, and the other end of the rotating shaft extends into the cabinet body and is in rotational connection with the cabinet body; the rotating shaft in the spacing cavity is provided with the pulling rope in a winding mode, and the other end of the pulling rope penetrates through the spacing cavity and the connecting hole and then is connected with the upper end of the placing plate. The electrical engineering and automation experiment table provided by the utility model can reduce the influence of dust and the like on teaching equipment and can also reduce the risk of sliding of the teaching equipment in the transfer process.

Description

Electrical engineering and laboratory bench for automation

Technical Field

The utility model belongs to the technical field of teaching equipment, and particularly relates to an electrical engineering and automation experiment table.

Background

Electrical Engineering (EE), is a core subject and a key subject in the modern science and technology field. For example, it is the great progress of electronic technology that has promoted the information age based on computer networks and will change the life and work patterns of human beings, etc.

Most of the existing electrical engineering experiment tables directly place teaching equipment on the experiment table top, and although the teaching equipment can be conveniently used, the existing electrical engineering experiment tables are easy to accumulate dust and damp for a long time, and the service performance of the teaching equipment is influenced; although can shift to the storage box through the manpower with teaching equipment, nevertheless because most teaching equipment are all bulky, weight is not light for it is comparatively hard at the manual in-process that moves, and still have the risk of landing, easily cause the damage of equipment.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a laboratory bench for electrical engineering and automation, so as to solve the problems in the prior art.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

a laboratory table for electrical engineering and automation comprises a support, wherein a cabinet body is installed at the upper end of the support, a placing plate capable of moving along the height direction of the cabinet body is arranged in the cabinet body, teaching equipment is installed on the upper end face of the placing plate, an opening for the teaching equipment to pass through is formed in the top of the cabinet body, and a sealing plate is hinged to the opening;

the placing plate is connected with a height adjusting device which drives the placing plate to move up and down, the height adjusting device comprises a driving piece, a rotating shaft and a pulling rope, the inner walls of the left side and the right side of the cabinet body are provided with longitudinally extending spacing cavities, the upper ends of the spacing cavities are communicated with the inner cavity of the cabinet body through connecting holes, the driving piece is installed on the outer side of the cabinet body, the output end of the driving piece is in transmission connection with the rotating shaft, the other end of the rotating shaft extends into the cabinet body and extends into the spacing cavity far away from one end of the driving piece to be in rotary connection with the cabinet body; the rotating shaft is internally provided with a pulling rope, the other end of the pulling rope penetrates through the spacing cavity and the connecting hole and then is connected with the upper end of the placing plate, the connecting hole is provided with a guide roller, and the pulling rope is in sliding fit with the guide roller.

Further, the cabinet body is internally provided with a movable guide device, the movable guide device comprises a guide rail and a roller, four corners of the placing plate are all rotatably installed with the roller, the inner side wall of the cabinet body corresponds to the four corners of the placing plate with the guide rail, and the roller is driven by the pulling rope to move up and down along the guide rail.

Furthermore, a hook is arranged at one end, connected with the placing plate, of the pulling rope, and a hanging ring matched with the hook is arranged on the placing plate.

Furthermore, a winding drum is fixedly sleeved on the rotating shaft positioned in the spacing cavity, and the pulling rope is wound on the winding drum.

Furthermore, a groove is formed at the position of the top of the placing plate corresponding to the teaching equipment, the base of the teaching equipment is clamped in the groove, the upper edge of the placing plate is provided with a plurality of clamping devices along the periphery of the base of the teaching equipment, the clamping device comprises a limiting groove arranged on the side wall of the groove, a spring is fixedly connected with one end of the limiting groove far away from the base of the teaching equipment, the other end of the spring is fixedly connected with a limiting block, the upper end surface of the limiting block is provided with an inclined plane inclined towards one end of the spring, the upper end surface of the placing plate is provided with a limiting hole communicated with the limiting groove, a limiting bolt is connected in the limiting hole in a threaded manner, the lower end face of the limiting bolt is abutted to the inclined face of the limiting block, and the limiting bolt is screwed downwards to drive the limiting block to move towards one end of the base of the teaching equipment.

Further, a supporting seat with an inverted T-shaped section is installed at the lower end of the interior of the cabinet body, and a cushion pad is arranged on the upper end face of the supporting seat.

Furthermore, the sealing plate is formed by splicing two plate bodies, one end of one plate body is in lap joint with the other plate body in a sealing manner, and one end of the two plate bodies, which is deviated from the plate bodies, is hinged with the side wall at the upper end of the cabinet body.

Furthermore, a plurality of storage cabinets which are longitudinally arranged are further arranged on one side, far away from the driving part, of the support.

Compared with the prior art, the utility model has the following beneficial effects:

according to the electrical engineering and automation experiment table provided by the utility model, the teaching equipment is hermetically arranged in the cabinet body of the experiment table, and meanwhile, the height adjusting device capable of driving the teaching equipment to move up and down is arranged in the cabinet body, so that when the experiment table is required to be used, the driving piece is driven, the rotating shaft can be driven to rotate, the pulling rope is contracted, the placing plate is driven to move upwards until the teaching equipment moves to the outside of the cabinet body, and then the relevant experiment operation can be carried out; the back drive driving piece can drive axis of rotation antiport for the pulling rope unwrapping wire, and then the drive is placed the board and is moved down and to the internal storage that can accomodate to the teaching equipment removal of cabinet, thereby has reduced the landing risk of teaching equipment at the transfer in-process, also can reduce the intensity of labour of artificial transport.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a partial sectional structural schematic of the present invention.

Fig. 3 is an enlarged schematic view of a structure at a in fig. 2.

Fig. 4 is an enlarged schematic view of B in fig. 2.

Fig. 5 is an enlarged schematic view of the structure at C in fig. 3.

Fig. 6 is an enlarged schematic view of fig. 3 at D.

Fig. 7 is an enlarged schematic view of fig. 3 at E.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a support; 2. a cabinet body; 3. placing the plate; 4. teaching equipment; 5. a sealing plate; 6. a drive member; 7. a rotating shaft; 8. pulling the rope; 9. a compartment; 10. connecting holes; 11. a guide roller; 12. a guide rail; 13. a roller; 14. hanging a ring; 15. a winding drum; 16. a groove; 17. a limiting groove; 18. a spring; 19. a limiting block; 20. a bevel; 21. a limiting hole; 22. a limit bolt; 23. a supporting seat; 24. a cushion pad; 25. a plate body; 26. a hinge; 27. a storage cabinet; 28. and (4) hanging hooks.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1 to 7, an electrical engineering and automation laboratory bench includes a support 1, a cabinet 2 is installed at an upper end of the support 1, a placing plate 3 capable of moving in a height direction of the cabinet 2 is disposed in the cabinet 2, a teaching device 4 is installed at an upper end surface of the placing plate 3, and the teaching device 4 may be various testing devices, such as an ac/dc instrument transmitter calibration device, a single-phase relay protection tester, a transformer volt-ampere characteristic tester, and the like; an opening for the teaching equipment 4 to pass through is formed in the top of the cabinet body 2, and a sealing plate 5 is hinged to the opening; in this embodiment, the sealing plate 5 is formed by splicing two plate bodies 25, one end of one plate body 25 is overlapped on the other plate body 25 in a sealing manner, and the end of the two plate bodies 25 departing from each other is hinged to the side wall of the upper end of the cabinet body 2 through a hinge 26; the sealing plate 5 is formed by splicing two plate bodies 25, so that the internal teaching equipment 4 can push the two plate bodies 25 to turn over towards two sides in the process of moving upwards under the driving of a height adjusting device to be described later, and the cabinet body 2 is opened;

the placing plate 3 is connected with a height adjusting device for driving the placing plate to move up and down, the height adjusting device comprises a driving piece 6, a rotating shaft 7 and a pulling rope 8, the inner walls of the left side and the right side of the cabinet body 2 are provided with longitudinally extending spacing cavities 9, the upper ends of the spacing cavities 9 are communicated with the inner cavity of the cabinet body 2 through connecting holes 10, the driving piece 6 is installed on the outer side of the cabinet body 2, the output end of the driving piece 6 is in transmission connection with the rotating shaft 7, the other end of the rotating shaft 7 extends into the cabinet body 2 and extends into the spacing cavity 9 far away from one end of the driving piece 6 to be in rotation connection with the cabinet body 2; the rotating shaft 7 in the spacing cavity 9 is provided with the pulling rope 8 in a winding mode, the other end of the pulling rope 8 penetrates through the spacing cavity 9 and the upper end of the placing plate 3 after the connecting hole 10 is connected, the connecting hole 10 is provided with the guide roller 11, and the pulling rope 8 is in sliding fit with the guide roller 11.

Specifically, the driving member 6 is a stepping motor, is mounted below the side wall of the cabinet body 2 through a mounting plate and is connected with an external power supply, and in order to facilitate the stable rising of the placing plate 3, two sets of height adjusting devices can be arranged, namely two rotating shafts 7 are arranged in total and penetrate through the side wall of the cabinet body from the front side and the back side of the side wall of the cabinet body respectively to enter the cabinet body; all be provided with on the axis of rotation 7 that is arranged in compartment 9 and pull rope 8 to can make the four corners department of placing board 3 all be connected with and pull rope 8, be used for pulling it. To ensure the synchronism of the front and rear rotating shafts 7, the two rotating shafts 7 can be driven to rotate synchronously by a driving member 6 in combination with a timing belt (not shown).

According to the utility model, the teaching equipment is hermetically arranged in the cabinet body of the test bed, and meanwhile, the height adjusting device capable of driving the teaching equipment to move up and down is arranged in the cabinet body, when the device is required to be used, the driving piece is driven to drive the rotating shaft to rotate, so that the pulling rope is contracted, the placing plate is driven to move upwards until the teaching equipment moves out of the cabinet body, and then the related experiment operation can be carried out; the back drive driving piece can drive axis of rotation antiport for the pulling rope unwrapping wire, and then the drive is placed the board and is moved down and to the internal storage that can accomodate to the teaching equipment removal of cabinet, thereby has reduced the landing risk of teaching equipment at the transfer in-process, also can reduce the intensity of labour of artificial transport.

As shown in fig. 3 and 5, a moving guide device is further installed in the cabinet body 2, the moving guide device includes guide rails 12 and rollers 13, the rollers 13 are rotatably installed at four corners of the placing plate 3, the guide rails 12 are installed on the inner side wall of the cabinet body 2 corresponding to the four corners of the placing plate 3, and the rollers 13 are slidably embedded in the corresponding guide rails 12; the roller 13 can move up and down along the guide rail 12 under the driving of the pulling rope 8. Through setting up the removal guider for place board 3 and reciprocate the in-process, can be more steady, and be difficult for rocking, increase the mobility stability.

As shown in fig. 5, a hook 28 is disposed at one end of the pulling rope 8 connected to the placing plate 3, and a hanging ring 14 engaged with the hook 28 is disposed on the placing plate 3. By providing the hanging ring 14 and the hook 28, the installation and the disassembly of the pulling rope 8 can be facilitated.

Referring to fig. 6, a winding drum 15 is fixedly sleeved on the rotating shaft 7 in the compartment 9, and the pull rope 8 is wound on the winding drum 15. The pulling rope 8 is wound on the winding roller 15, so that the rope is convenient to take up and pay off.

Referring again to fig. 1, a plurality of storage cabinets 27 are also mounted on the side of the frame 1 remote from the drive member 6; the articles required by the experiment can be conveniently stored.

Referring to fig. 7, a groove 16 is formed at a position corresponding to the teaching device 4 on the top of the placing plate 3, the base of the teaching device 4 is clamped in the groove 16, a plurality of clamping devices are arranged on the placing plate 3 along the periphery of the base of the teaching device 4, each clamping device includes a limiting groove 17 arranged on the side wall of the groove 16, a spring 18 is fixedly connected to one end of the limiting groove 17 away from the base of the teaching device 4, a limiting block 19 is fixedly connected to the other end of the spring 18, an inclined plane 20 inclined towards one end of the spring 18 is formed on the upper end surface of the limiting block 19, a limiting hole 21 communicated with the limiting groove 17 is formed on the upper end surface of the placing plate 3, a limiting bolt 22 is connected to the limiting hole 21 through a thread, and the lower end surface of the limiting bolt 22 abuts against the inclined plane 20 of the limiting block 19, and the limiting bolt 22 is screwed downwards, so that the limiting block 19 can be driven to move towards one end of the base of the teaching equipment 4.

Specifically, the lower end face of the limit bolt 22 is matched with the inclined plane 20, when the base of the teaching equipment 4 needs to be clamped, the limit bolt 22 is screwed downwards, the lower end of the limit bolt 22 moves towards one end of the spring 18 along the inclined plane, and the limit block 19 can be driven to move towards one end of the base of the teaching equipment 4, so that the base is clamped, and is circumferentially and omnidirectionally fixed through a plurality of clamping devices; and the limiting bolt 22 is screwed upwards, and the limiting block 19 can move towards one side of the spring under the pulling of the spring 18, namely, the clamping of the base is separated, so that the whole teaching equipment 4 can be conveniently taken out and fixed.

Furthermore, in this embodiment, a supporting seat 23 with an inverted T-shaped cross section is installed at the lower end inside the cabinet body 2, and a cushion pad 24 is installed on the upper end surface of the supporting seat 23, so that a certain buffering effect can be achieved on the placing plate 3, and in the use process at ordinary times, a certain buffering effect can be achieved on the placing plate 3, that is, a good buffering effect can be achieved on the teaching equipment 4; under special conditions, if the pulling rope 8 breaks down, the safety protection performance can be achieved, and the safety of the internal teaching equipment 4 is guaranteed.

In some embodiments, a heating device (not shown) for heating, a temperature sensor (not shown) for detecting the internal temperature, a humidity sensor (not shown) for measuring the internal humidity, and the like may be further installed in the cabinet 2, and the temperature sensor, the humidity sensor, and the heating device are all in signal connection with a controller, and the controller controls the dryness degree of the internal environment of the cabinet in real time, so as to avoid the influence on the internal teaching equipment 4 when the temperature is low and the humidity is high.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (8)

1. The utility model provides an electrical engineering and laboratory bench for automation which characterized in that: the teaching cabinet comprises a support (1), wherein a cabinet body (2) is installed at the upper end of the support (1), a placing plate (3) capable of moving along the height direction of the cabinet body (2) is arranged in the cabinet body (2), teaching equipment (4) is installed on the upper end face of the placing plate (3), an opening for the teaching equipment (4) to pass through is formed in the top of the cabinet body (2), and a sealing plate (5) is hinged to the opening;

the cabinet is characterized in that a height adjusting device for driving the cabinet to move up and down is connected to the placing plate (3), the height adjusting device comprises a driving piece (6), a rotating shaft (7) and a pulling rope (8), longitudinally extending spacing cavities (9) are formed in the inner walls of the left side and the right side of the cabinet body (2), the upper ends of the spacing cavities (9) are communicated with the inner cavity of the cabinet body (2) through connecting holes (10), the driving piece (6) is installed on the outer side of the cabinet body (2), the output end of the driving piece (6) is in transmission connection with the rotating shaft (7), the other end of the rotating shaft (7) extends into the cabinet body (2) and extends into the spacing cavity (9) far away from one end of the driving piece (6) to be in rotation connection with the cabinet body (2); be located in compartment (9) all around being equipped with on axis of rotation (7) pull rope (8), the other end of pulling rope (8) passes compartment (9) with behind connecting hole (10) with place the upper end of board (3) and be connected, connecting hole (10) department installs guide roller (11), pull rope (8) with guide roller (11) sliding fit.

2. The electrical engineering and automation laboratory bench of claim 1, wherein: still install the removal guider in the cabinet body (2), the removal guider includes guide rail (12) and gyro wheel (13), the four corners department of placing board (3) all rotates to install gyro wheel (13), correspond on the inside wall of the cabinet body (2) the four corners department of placing board (3) installs guide rail (12), gyro wheel (13) are in under the drive of pulling rope (8), can follow guide rail (12) reciprocate.

3. The electrical engineering and automation laboratory bench of claim 1, wherein: a hook (28) is arranged at one end of the pulling rope (8) connected with the placing plate (3), and a hanging ring (14) matched with the hook (28) is arranged on the placing plate (3).

4. The electrical engineering and automation laboratory bench of claim 1, wherein: and a winding drum (15) is fixedly sleeved on the rotating shaft (7) positioned in the spacing cavity (9), and the pulling rope (8) is wound on the winding drum (15).

5. The electrical engineering and automation laboratory bench of claim 1, wherein: a groove (16) is formed in the position, corresponding to the teaching equipment (4), of the top of the placing plate (3), a base of the teaching equipment (4) is clamped in the groove (16), a plurality of clamping devices are arranged on the placing plate (3) along the periphery of the base of the teaching equipment (4), each clamping device comprises a limiting groove (17) formed in the side wall of the groove (16), a spring (18) is fixedly connected to one end, far away from the base of the teaching equipment (4), of each limiting groove (17), a limiting block (19) is fixedly connected to the other end of each spring (18), an inclined plane (20) inclined towards one end of each spring (18) is formed on the upper end face of each limiting groove (17), a limiting hole (21) communicated to the corresponding limiting groove (17) is formed in the upper end face of the placing plate (3), and a limiting bolt (22) is in each limiting hole (21), the lower end face of the limiting bolt (22) is abutted to the inclined face (20) of the limiting block (19), the limiting bolt (22) is screwed downwards, and the limiting block (19) can be driven to move towards one end of the base of the teaching equipment (4).

6. The electrical engineering and automation laboratory bench of claim 1, wherein: the cabinet is characterized in that a supporting seat (23) with an inverted T-shaped section is mounted at the lower end of the interior of the cabinet body (2), and a cushion pad (24) is arranged on the upper end face of the supporting seat (23).

7. The electrical engineering and automation laboratory bench of claim 1, wherein: the sealing plate (5) is formed by splicing two plate bodies (25), one end of one plate body (25) is lapped on the other plate body (25) in a sealing mode, and one end, deviating from each other, of the two plate bodies (25) is hinged to the side wall of the upper end of the cabinet body (2).

8. The electrical engineering and automation laboratory bench of claim 1, wherein: the bracket (1) is also provided with a plurality of longitudinally arranged storage cabinets (27) at one side far away from the driving part (6).

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